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1 /* |
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2 * Copyright (c) 2010, 2012, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 |
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24 /** |
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25 * @test |
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26 * @run |
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27 */ |
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28 |
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29 function model(n) { |
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30 return Java.type("jdk.nashorn.internal.test.models." + n) |
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31 } |
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32 |
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33 // Can't extend a final class |
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34 try { |
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35 Java.extend(model("FinalClass")) |
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36 } catch(e) { |
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37 print(e) |
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38 } |
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39 |
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40 // Can't extend a class with no public or protected constructor |
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41 try { |
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42 Java.extend(model("NoAccessibleConstructorClass")) |
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43 } catch(e) { |
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44 print(e) |
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45 } |
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46 |
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47 // Can't extend a non-public class |
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48 try { |
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49 Java.extend(model("NonPublicClass")) |
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50 } catch(e) { |
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51 print(e) |
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52 } |
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53 |
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54 // Make sure we can implement interfaces from the unnamed package |
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55 var c = new (Java.extend(Java.type("UnnamedPackageTestCallback")))() { call: function(s) { return s + s } } |
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56 print(c.call("abcd")) |
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57 |
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58 // Basic Runnable from an object |
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59 new (Java.extend(java.lang.Runnable))({ run: function() { print("run-object") } }).run() |
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60 |
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61 // Basic Runnable from a function |
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62 new (Java.extend(java.lang.Runnable))(function() { print("run-fn") }).run() |
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63 |
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64 // Basic Runnable from an autoconverted function |
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65 var t = new java.lang.Thread(function() { print("run-fn-autoconvert") }) |
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66 t.start() |
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67 t.join() |
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68 |
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69 // SAM conversion should work on overloaded methods of same name |
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70 var os = new (Java.extend(model("OverloadedSam")))(function(s1, s2) { print("overloaded-sam: " + s1 + ", " + s2) }) |
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71 os.sam("x") |
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72 os.sam("x", "y") |
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73 |
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74 // Test overriding of hashCode, equals, and toString |
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75 var oo = Java.extend(model("OverrideObject")) |
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76 // First, see non-overridden values |
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77 print("oo-plain-hashCode: " + (new oo({})).hashCode()) |
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78 print("oo-plain-toString: " + (new oo({})).toString()) |
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79 print("oo-plain-equals : " + (new oo({})).equals({})) |
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80 // Now, override them |
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81 print("oo-overridden-hashCode: " + (new oo({ hashCode: function() { return 6 }})).hashCode()) |
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82 print("oo-overridden-toString: " + (new oo({ toString: function() { return "override-object-overriden" }})).toString()) |
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83 print("oo-overridden-equals : " + (new oo({ equals: function() { return true }})).equals({})) |
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84 // Finally, test that equals and hashCode can be overridden with functions from a prototype, but toString() can't: |
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85 function Proto() { |
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86 return this; |
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87 } |
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88 Proto.prototype = { |
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89 toString: function() { return "this-will-never-be-seen" }, // toString only overridden when it's own property, never from prototype |
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90 equals: function() { return true }, |
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91 hashCode: function() { return 7 } |
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92 } |
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93 print("oo-proto-overridden-hashCode: " + (new oo(new Proto())).hashCode()) |
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94 print("oo-proto-overridden-toString: " + (new oo(new Proto())).toString()) |
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95 print("oo-proto-overridden-equals : " + (new oo(new Proto())).equals({})) |
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96 |
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97 // Subclass a class with a protected constructor, and one that takes |
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98 // additional constructor arguments (a token). Also demonstrates how can |
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99 // you access the Java adapter instance from the script (just store it in the |
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100 // scope, in this example, "cwa") to retrieve the token later on. |
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101 var cwa = new (Java.extend(model("ConstructorWithArgument")))(function() { print(cwa.token) }, "cwa-token") |
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102 cwa.doSomething() |